As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED, EMER DECLARED & LANDING UNEVENTFUL. ACFT WAS OVERWEIGHT. DURING CRUISE CABIN CREW REPORTED ALL LAVATORIES WOULD NOT FLUSH. FOUND ALL LAVATORIES WITH MINIMAL TO NO FLUID IN THEM. CONFIRMED NO LEAKS ON ACFT AT ANY LAVATORY SERVICE STATION. ALL LAVATORIES SERVICED. SYS CHECKED NORMAL.